These are incredible! Protection for your vehicle and padded comfort for your pet. These waterproof quilted liners provide the ultimate level of protection and cover the entire cargo area and a portion of your rear seat - or lay flat behind front row seats of many vans and vehicles with removable second rows( for most, depends on the size of vehicle). Made with high quality waterproof, durable nylon canvas. Seams are double-stitched and edges are bound. The liner attaches using hook and loop fasteners. Use with your back seats in either the up or down.